DE102007012666A1 - High pressure screwed joint for fuel pipe line, has convex end of fuel pipe line which is pressed with nut against annular sealing surface of another fuel pipe line - Google Patents
High pressure screwed joint for fuel pipe line, has convex end of fuel pipe line which is pressed with nut against annular sealing surface of another fuel pipe line Download PDFInfo
- Publication number
- DE102007012666A1 DE102007012666A1 DE102007012666A DE102007012666A DE102007012666A1 DE 102007012666 A1 DE102007012666 A1 DE 102007012666A1 DE 102007012666 A DE102007012666 A DE 102007012666A DE 102007012666 A DE102007012666 A DE 102007012666A DE 102007012666 A1 DE102007012666 A1 DE 102007012666A1
- Authority
- DE
- Germany
- Prior art keywords
- pipe line
- fuel pipe
- sealing surface
- annular sealing
- pressed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/004—Joints; Sealings
- F02M55/005—Joints; Sealings for high pressure conduits, e.g. connected to pump outlet or to injector inlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
- F16L47/04—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with a swivel nut or collar engaging the pipe
Abstract
Description
Die Erfindung betrifft eine Hochdruckverschraubung mit den Merkmalen aus dem Oberbegriff des Patentanspruchs 1.The The invention relates to a high pressure fitting with the features from the preamble of claim 1.
Sie
geht von der deutschen Patentschrift
Nachteilig an der beschriebenen Ausgestaltung der gattungsgemäßen Hochdruckverschraubung ist der aufwendige thermische Prozess zum Erweichen des Materials im Bereich der Kontaktfläche.adversely to the described embodiment of the generic High pressure fitting is the complex thermal process for Softening of the material in the area of the contact surface.
Weiter
ist aus der deutschen Patentschrift
Nachteilig bei dieser Ausgestaltung ist die zusätzliche Anfertigung eines Dichtelementes.adversely in this embodiment, the additional production a sealing element.
Aufgabe der vorliegenden Erfindung ist es, eine kostengünstige und einfach zu fertigende Hochdruckverschraubung darzustellen.task The present invention is a cost effective and easy to produce high pressure fitting.
Diese Aufgabe wird durch die Merkmale im kennzeichnenden Teil des Patentanspruchs 1 gelöst. In vorteilhafter Weise wird ohne großen Fertigungsaufwand eine kostengünstige und dauerhaft dichte Hochruckverschraubung erzielt.These The object is achieved by the features in the characterizing part of the claim 1 solved. In an advantageous way, without big Production costs a cost-effective and durable tight high pressure fitting achieved.
Bevorzugt ist die Beschichtung zwischen 0,05 und 0,1 mm dick.Prefers the coating is between 0.05 and 0.1 mm thick.
Vorzugsweise kommen Metalle wie Silber oder Kupfer oder Indium oder Aluminium oder Messing für die Beschichtung zum Einsatz.Preferably come metals such as silver or copper or indium or aluminum or brass for the coating used.
Erfindungsgemäß wird eine Hochdruckverschraubung für eine Kraftstoffleitung vorgeschlagen, wobei ein balliges Ende einer ersten Kraftstoffleitung mit einer Mutter, vorzugsweise einer Überwurfmutter, gegen eine ringförmige, weitgehend stirnseitige Dichtfläche einer zweiten Kraftstoffleitung drückbar ist. Das ballige Ende der ersten Kraftstoffleitung kann beispielsweise ein weitgehend kugel- oder kalottenförmiges Ende der ersten Kraftstoffleitung sein. Die ringförmige Dichtfläche der zweiten Kraftstoffleitung kann eine konische oder eine kugelige oder eine inverskalottenförmige Ausbildung aufweisen. Durch das Verschrauben des balligen Endes der ersten Kraftstoffleitung gegen die stirnseitige Dichtfläche der zweiten Kraftstoffleitung wird eine ring förmige Kontaktfläche zwischen dem balligen Ende und der ringförmigen Dichtfläche erzielt.According to the invention a high-pressure fitting for a fuel line proposed, wherein a crowned end of a first fuel line with a mother, preferably a union nut, against an annular, largely frontal sealing surface a second fuel line can be pressed. The crowned End of the first fuel line, for example, a largely spherical or dome-shaped end of the first fuel line be. The annular sealing surface of the second Fuel line can be a conical or a spherical or a have inverskalottenförmige training. By screwing the crowned end of the first fuel line against the frontal Sealing surface of the second fuel line is a ring-shaped Contact surface between the crowned end and the annular Achieved sealing surface.
Erfindungsgemäß wird vorgeschlagen, zumindest das ballige Ende und/oder die ringförmige Dichtfläche mittels eines PVD- oder CVD-Verfahrens mit einem weichen Metall zu beschichten. Durch diese Ausgestaltung ist es möglich, auf einfache Art und Weise eine hohe Dichtheit kostengünstig für eine gattungsgemäße Hochdruckverschraubung zu erzielen. Bevorzugt ist die Beschichtung zwischen 0,05 und 0,1 mm dick. Vorzugsweise kommen Metalle wie Silber oder Kupfer oder Indium oder Aluminium oder Messing zum Einsatz. Auch Metallgemische, d. h. Legierungen dieser Metalle oder anderer geeigneter weicher Metalle sind möglich.According to the invention proposed, at least the spherical end and / or the annular sealing surface using a PVD or CVD method with a soft metal to coat. This embodiment makes it possible in a simple way a high tightness cost for a generic high pressure fitting to achieve. Preferably, the coating is between 0.05 and 0.1 mm thick. Preferably, metals such as silver or copper or Indium or aluminum or brass used. Also metal mixtures, d. H. Alloys of these metals or other suitable softer Metals are possible.
Eine derart erfindungsgemäße Hochdruckverschraubung kann beispielsweise in Kraftstoffhochdrucksystemen für Brennkraftmaschinen Verwendung finden. Hierbei kann es sich um jede Art von flüssigem Kraftstoff, wie z. B. Benzin oder (Bio-)Diesel handeln.A such high-pressure fitting according to the invention For example, in high-pressure fuel systems for Internal combustion engines are used. This can be any Type of liquid fuel, such as. As gasoline or (bio-) diesel act.
PVD (physical vager deposition) oder CVD(chemical vager deposition)-Verfahren sind allgemein bekannte Verfahren und nicht Gegenstand der hier vorliegenden Erfindung, so dass diese Verfahren im Rahmen dieser Anmeldung nicht näher beschrieben sind.PVD (physical vaginal deposition) or CVD (chemical vaginal deposition) method are well-known methods and not the subject of this present invention, so that these methods under this Registration are not described in detail.
Der Vorteil dieser erfindungsgemäßen Konstruktion ist eine mögliche Reduzierung der notwendigen Fertigungsgenauigkeit, wodurch die Fertigungskosten deutlich gesenkt werden können. Aufgrund der erfindungsgemäßen Ausgestaltung wird ferner eine deutliche Steigerung bezüglich der Robustheit und Dichtheit der Hochdruckverschraubung erzielt.Of the Advantage of this construction according to the invention is a possible reduction of the necessary manufacturing accuracy, whereby the manufacturing costs can be significantly reduced. Due to the embodiment of the invention is further a significant increase in robustness and Tightness of the high-pressure fitting achieved.
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - DE 3801703 C1 [0002] - DE 3801703 C1 [0002]
- - DE 4116540 C2 [0004] - DE 4116540 C2 [0004]
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007012666A DE102007012666A1 (en) | 2007-03-16 | 2007-03-16 | High pressure screwed joint for fuel pipe line, has convex end of fuel pipe line which is pressed with nut against annular sealing surface of another fuel pipe line |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007012666A DE102007012666A1 (en) | 2007-03-16 | 2007-03-16 | High pressure screwed joint for fuel pipe line, has convex end of fuel pipe line which is pressed with nut against annular sealing surface of another fuel pipe line |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102007012666A1 true DE102007012666A1 (en) | 2008-09-18 |
Family
ID=39688197
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102007012666A Withdrawn DE102007012666A1 (en) | 2007-03-16 | 2007-03-16 | High pressure screwed joint for fuel pipe line, has convex end of fuel pipe line which is pressed with nut against annular sealing surface of another fuel pipe line |
Country Status (1)
Country | Link |
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DE (1) | DE102007012666A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3961077A1 (en) * | 2020-08-27 | 2022-03-02 | TI Automotive (Heidelberg) GmbH | Pipe, method for treating a pipe, and pipe connection device |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB191019218A (en) * | 1910-08-16 | 1911-01-19 | John Thomas Kelly | Improvements in Pipe Unions. |
GB863390A (en) * | 1957-09-24 | 1961-03-22 | Commissariat Energie Atomique | Dismountable joint for metal conduits |
EP0297348A1 (en) * | 1987-06-30 | 1989-01-04 | International Business Machines Corporation | Method for chemical vapor deposition of copper, silver, and gold using a cyclopentadienyl metal complex |
DE3801703C1 (en) | 1988-01-21 | 1989-02-09 | Juergen Dipl.-Ing. 8402 Neutraubling De Guido | |
DE4429505A1 (en) * | 1994-08-19 | 1996-02-22 | Formplast Reichel Gmbh & Co Kg | Wear resistance promoting coating of tools for the ceramics industry |
DE4116540C2 (en) | 1990-05-22 | 2001-03-08 | Usui Kokusai Sangyo Kk | Branch connection in a high-pressure fuel rail |
DE10137763A1 (en) * | 2001-08-02 | 2003-04-30 | Siemens Ag | Process for coating a surface of a substrate with a coating material used in the production of coatings for bulbs comprises pre-treating the surface using a laser, and coating the surface with the coating material |
EP1481746A1 (en) * | 2003-05-08 | 2004-12-01 | Natalino Chesini | Metallic hollow element with a sealed connection and method for obtaining the same |
EP1491758A1 (en) * | 2003-06-25 | 2004-12-29 | Siemens Aktiengesellschaft | Connecting arrangement |
-
2007
- 2007-03-16 DE DE102007012666A patent/DE102007012666A1/en not_active Withdrawn
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB191019218A (en) * | 1910-08-16 | 1911-01-19 | John Thomas Kelly | Improvements in Pipe Unions. |
GB863390A (en) * | 1957-09-24 | 1961-03-22 | Commissariat Energie Atomique | Dismountable joint for metal conduits |
EP0297348A1 (en) * | 1987-06-30 | 1989-01-04 | International Business Machines Corporation | Method for chemical vapor deposition of copper, silver, and gold using a cyclopentadienyl metal complex |
DE3801703C1 (en) | 1988-01-21 | 1989-02-09 | Juergen Dipl.-Ing. 8402 Neutraubling De Guido | |
DE4116540C2 (en) | 1990-05-22 | 2001-03-08 | Usui Kokusai Sangyo Kk | Branch connection in a high-pressure fuel rail |
DE4429505A1 (en) * | 1994-08-19 | 1996-02-22 | Formplast Reichel Gmbh & Co Kg | Wear resistance promoting coating of tools for the ceramics industry |
DE10137763A1 (en) * | 2001-08-02 | 2003-04-30 | Siemens Ag | Process for coating a surface of a substrate with a coating material used in the production of coatings for bulbs comprises pre-treating the surface using a laser, and coating the surface with the coating material |
EP1481746A1 (en) * | 2003-05-08 | 2004-12-01 | Natalino Chesini | Metallic hollow element with a sealed connection and method for obtaining the same |
EP1491758A1 (en) * | 2003-06-25 | 2004-12-29 | Siemens Aktiengesellschaft | Connecting arrangement |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3961077A1 (en) * | 2020-08-27 | 2022-03-02 | TI Automotive (Heidelberg) GmbH | Pipe, method for treating a pipe, and pipe connection device |
WO2022043898A1 (en) * | 2020-08-27 | 2022-03-03 | Ti Automotive (Heidelberg) Gmbh | Method for treating a pipe, pipe and pipe connection device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
R012 | Request for examination validly filed |
Effective date: 20131127 |
|
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |